diff --git a/cmdline/support.c b/cmdline/support.c
index 8d4c7f56..316dd981 100644
--- a/cmdline/support.c
+++ b/cmdline/support.c
@@ -1120,10 +1120,7 @@ int advise_write(struct advise_struct* advise, int f, data_off_t offset, data_of
 
 		/* flush the data from the cache */
 		ret = posix_fadvise(f, discard_offset, discard_size, POSIX_FADV_DONTNEED);
-		if (ret == ENOSYS) {
-			/* call is not supported, like in armhf, see posix_fadvise manpage */
-			ret = 0;
-		}
+		/* for POSIX_FADV_DONTNEED we don't allow failure with ENOSYS */
 		if (ret != 0) {
 			/* LCOV_EXCL_START */
 			errno = ret; /* posix_fadvise return the error code */
@@ -1151,10 +1148,7 @@ int advise_read(struct advise_struct* advise, int f, data_off_t offset, data_off
 
 		/* flush the data from the cache */
 		ret = posix_fadvise(f, offset, size, POSIX_FADV_DONTNEED);
-		if (ret == ENOSYS) {
-			/* call is not supported, like in armhf, see posix_fadvise manpage */
-			ret = 0;
-		}
+		/* for POSIX_FADV_DONTNEED we don't allow failure with ENOSYS */
 		if (ret != 0) {
 			/* LCOV_EXCL_START */
 			errno = ret; /* posix_fadvise return the error code */